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Gonzalo

Member Since 18 Aug 2010
Offline Last Active Today, 13:43

A2 Paper 1 Question

May 15, 2012 - 06:21

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Gas Exchange questions

Oct 17, 2011 - 02:51

Heeelloo!
I have a Biology test in exactly 5 hours covering the liver, circulatory system and the gas exchange.
I've been studying for over a week now but I still cannot fully comprehend what the gas exchange is all about because I get really confused when explanations begin involving partial pressures. I just cant get my head around it.

I am also confused by the "intricate" qualities of the explanations I've been reading online for H6.3: "Describe how CO2 is carried by the blood, including the action of carbonic anhydrase, the chloride shift and buffering by plasma proteins".....

Please help me and save my grade?  :angel:


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